Poll: The Three Leonardos

Half a millennium ago, in 1519, a genius left the world: his name was Leonardo and you might remember him from his sketchy self-portrait, his man in circle, his woman with an enigmatic smile and the Code that made Dan Brown a millionaire. But let's be honest: is he the first Leonardo that springs to your mind when you hear the name? After picking your favorite Leonardo, you might discuss the list here